linux-kernel - Re: [PATCH 10/12] Compiler Attributes: KENTRY used twice the "used" attribute

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Message-ID: <CAKwvOdk_yMOCGbEWcZH4aPP6ShS4DtSg0Qo6AnU-2+4WKu+Mqw@mail.gmail.com>
Date:   Tue, 4 Sep 2018 09:58:11 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        luc.vanoostenryck@...il.com, efriedma@...eaurora.org,
        sparse@...isli.org, Kees Cook <keescook@...omium.org>,
        Ingo Molnar <mingo@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg KH <gregkh@...uxfoundation.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        joe@...ches.com, asmadeus@...ewreck.org,
        linux-sparse@...r.kernel.org
Subject: Re: [PATCH 10/12] Compiler Attributes: KENTRY used twice the "used" attribute

On Mon, Sep 3, 2018 at 1:34 PM Miguel Ojeda
<miguel.ojeda.sandonis@...il.com> wrote:
>
> Cc: Rasmus Villemoes <linux@...musvillemoes.dk>
> Cc: Luc Van Oostenryck <luc.vanoostenryck@...il.com>
> Cc: Eli Friedman <efriedma@...eaurora.org>
> Cc: Christopher Li <sparse@...isli.org>
> Cc: Kees Cook <keescook@...omium.org>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Masahiro Yamada <yamada.masahiro@...ionext.com>
> Cc: Joe Perches <joe@...ches.com>
> Cc: Dominique Martinet <asmadeus@...ewreck.org>
> Cc: Nick Desaulniers <ndesaulniers@...gle.com>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
> Cc: linux-sparse@...r.kernel.org
> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
> ---
>  include/linux/compiler.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/compiler.h b/include/linux/compiler.h
> index 4030a2940d6b..17ee9165ca51 100644
> --- a/include/linux/compiler.h
> +++ b/include/linux/compiler.h
> @@ -146,7 +146,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
>         extern typeof(sym) sym;                                 \
>         static const unsigned long __kentry_##sym               \
>         __used                                                  \
> -       __attribute__((__section__("___kentry" "+" #sym ), used))       \
> +       __attribute__((__section__("___kentry" "+" #sym )))     \
>         = (unsigned long)&sym;
>  #endif
>
> --
> 2.17.1
>

Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

-- 
Thanks,
~Nick Desaulniers